condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.04786205 0.0 0.0957241 8 h after light 0.0494152 0.0 0.0988304 4 h after dark 0.0 0.0 0.0 8 h after dark 0.04781015 0.0 0.0956203 12 h after dark 0.0959023 0.0948463 0.0969583